<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="所在班级" prop="className">
        <el-select v-model="queryParams.className" placeholder="请选择班级" @change="classesChange" style="width: 100%">
          <el-option
            v-for="item in classes"
            :key="item.value"
            :label="item.label"
            :value="item.value"
          >
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="负责人" prop="teacherName">
        <el-select v-model="queryParams.teacherName" placeholder="请选择跟踪人" @change="classesChange"
                   style="width: 100%">
          <el-option
            v-for="item in teachers"
            :key="item.value"
            :label="item.label"
            :value="item.value"
          >
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="学生姓名" prop="studentName">
        <el-input
          v-model="queryParams.studentName"
          placeholder="请输入学生姓名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="结业考试" prop="finalTest">
        <el-select v-model="queryParams.finalTest" placeholder="请选择结业考试状态" style="width: 100%">
          <el-option
            v-for="dict in dict.type.sys_final_test"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="模拟面试" prop="mockInterview">
        <el-select v-model="queryParams.mockInterview" placeholder="请选择模拟考试状态" style="width: 100%">
          <el-option
            v-for="dict in dict.type.sys_mock_interview"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="困难系数" prop="difficultyCoefficient">
        <el-select v-model="queryParams.difficultyCoefficient" placeholder="请选择困难系数状态" style="width: 100%">
          <el-option
            v-for="dict in dict.type.sys_difficulty_coefficient"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['teaching:repeatedStudents:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['teaching:repeatedStudents:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['teaching:repeatedStudents:remove']"
        >删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['teaching:repeatedStudents:export']"
        >导出
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="repeatedStudentsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="学生姓名" align="center" prop="studentName"/>
      <el-table-column label="所属班级" align="center" prop="className"/>
      <el-table-column label="负责老师" align="center" prop="teacherName"/>
      <el-table-column label="困难系数" align="center" prop="difficultyCoefficient">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_difficulty_coefficient" :value="scope.row.difficultyCoefficient"/>
        </template>
      </el-table-column>
      <el-table-column label="模拟面试" align="center" prop="mockInterview">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_mock_interview" :value="scope.row.mockInterview"/>
        </template>
      </el-table-column>
      <el-table-column label="结业考试" align="center" prop="finalTest">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_final_test" :value="scope.row.finalTest"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-s-fold"
            @click="handleTrace(scope.row)"
          >跟踪记录
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleTask(scope.row)"
          >编辑任务
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['teaching:repeatedStudents:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['teaching:repeatedStudents:remove']"
          >移除留级
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改留级管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="学生姓名" prop="studentName">
          <el-select v-model="form.studentId" placeholder="请选择学生名" @change="studentsChange" style="width: 100%">
            <el-option
              v-for="item in students"
              :key="item.value"
              :label="item.label"
              :value="item.value"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="所属班级" prop="className">
          <el-select v-model="form.classId" placeholder="请选择班级" @change="classesChange" style="width: 100%">
            <el-option
              v-for="item in classes"
              :key="item.value"
              :label="item.label"
              :value="item.value"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="负责人" prop="teacherName">
          <el-select v-model="form.teacherId" placeholder="请选择跟踪人" @change="teachersChange" style="width: 100%">
            <el-option
              v-for="item in teachers"
              :key="item.value"
              :label="item.label"
              :value="item.value"
            >
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="困难系数" prop="difficultyCoefficient">
          <el-select v-model="form.difficultyCoefficient" placeholder="请选择困难系数状态" style="width: 100%">
            <el-option
              v-for="dict in dict.type.sys_difficulty_coefficient"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="模拟面试" prop="mockInterview">
          <el-select v-model="form.mockInterview" placeholder="请选择模拟考试状态" style="width: 100%">
            <el-option
              v-for="dict in dict.type.sys_mock_interview"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="结业考试" prop="finalTest">
          <el-select v-model="form.finalTest" placeholder="请选择结业考试状态" style="width: 100%">
            <el-option
              v-for="dict in dict.type.sys_final_test"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value">
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
    <!-- 跟踪记录 -->
    <el-dialog :title="traceDialogTitle" :visible.sync="dialogVisible" width="500px">
      <div class="block">
        <el-timeline>
          <el-timeline-item v-for="item in traceFocusList" :timestamp="item.createTime" placement="top"
                            :color="getColor(item)">
            <el-card>
              <h4>跟踪人[{{ item.teacherName }}]</h4>
              <p>问题说明：{{ item.remark }}</p>
            </el-card>
          </el-timeline-item>
        </el-timeline>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
      </span>
    </el-dialog>

    <!-- 添加或修改任务对话框 -->
    <el-dialog :title="titleTask" :visible.sync="openTask" width="500px" append-to-body>
      <el-form ref="taskForm" :model="taskForm" :rules="rulesTask" label-width="80px">
        <el-form-item label="学生姓名" prop="studentName">
          <el-input v-model="taskForm.studentName" :disabled="true"/>
        </el-form-item>
        <el-form-item label="任务日期" prop="taskTime">
          <el-date-picker clearable
                          v-model="taskForm.taskTime"
                          type="datetime"
                          value-format="yyyy-MM-dd HH:mm:ss"
                          placeholder="请选择发生时间" style="width: 100%">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="任务状态" prop="taskStatement">
          <el-select v-model="taskForm.taskStatement" placeholder="请选择任务状态" style="width: 100%">
            <el-option
              v-for="dict in dict.type.sys_student_task_status"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="任务说明" prop="remark">
          <el-input type="textarea" v-model="taskForm.remark" placeholder="请输入内容"/>
        </el-form-item>
      </el-form>
      <div class="dialog-footer" style="width: 100%">
        <el-row type="flex" justify="end">
          <el-col :span="10">
            <el-button type="primary" @click="submitFormTask">添加任务</el-button>
            <el-button @click="cancelTask">取 消</el-button>
          </el-col>
        </el-row>
      </div>
      <el-divider></el-divider>
      <div class="block">
        <el-timeline>
          <el-timeline-item v-for="item in taskList" :timestamp="item.createTime" placement="top"
                            :color="getColor(item)">
            <el-card>
              <div style="display: flex; justify-content: space-between;">
                <div style="line-height: 32px">负责老师：[{{ item.teacherName }}]</div>
                <div>
                  <el-button size="small" type="text" @click="updateItemTask(item)">完成修改</el-button>
                </div>
              </div>
              <p>问题说明：{{ item.remark }}</p>
              <p><span>任务状态：</span>
                <el-select style="width: 250px" v-model="item.taskStatement" placeholder="请选择任务状态">
                  <el-option
                    v-for="dict in dict.type.sys_student_task_status"
                    :key="dict.value"
                    :label="dict.label"
                    :value="dict.value">
                  </el-option>
                </el-select>
              </p>
              <p class="d-flex">
                <span>完成说明：</span>
                <el-input style="width: 250px" v-model="item.finishRemark"/>
              </p>
            </el-card>
          </el-timeline-item>
        </el-timeline>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listRepeatedStudents,
  getRepeatedStudents,
  delRepeatedStudents,
  addRepeatedStudents,
  updateRepeatedStudents
} from "@/api/teaching/repeatedStudents";
import {listTrace} from "../../../api/teaching/trace";
import {addTask, listTask, updateTask} from "../../../api/teaching/task";
import {listStudentByClassId} from "../../../api/student/student";
import {listClass} from "../../../api/student/class";
import {listTeacher} from "../../../api/teacher/teacher";

export default {
  dicts: ['sys_difficulty_coefficient', 'sys_final_test', 'sys_mock_interview', 'sys_student_status', 'sys_student_task_status'],
  name: "RepeatedStudents",
  data() {
    return {
      classes: [],
      students: [],
      teachers: [],
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 留级管理表格数据
      repeatedStudentsList: [],
      // 跟踪记录
      traceFocusList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      dialogVisible: false,
      traceDialogTitle: '',
      taskTeacherName: '',
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        id: null,
        studentId: null,
        studentName: null,
        classId: null,
        className: null,
        teacherId: null,
        teacherName: null,
        difficultyCoefficient: null,
        mockInterview: null,
        finalTest: null,
        deleted: null
      },
      // 查询班级参数
      queryClassesParams: {
        pageNum: 1,
        pageSize: 10,
        className: null,
        campus: null,
        status: null,
        charge: null,
        employmentTeacher: null,
        assistantTeacher: null,
      },
      // 查询学生参数
      queryStudentParams: {
        pageNum: 1,
        pageSize: 10,
        studentName: null,
        classes: null,
        campus: null,
        status: null,
        phone: null,
      },
      // 查询老师参数
      queryTeacherParams: {
        pageNum: 1,
        pageSize: 10,
        id: null,
        name: null,
        subject: null,
        campus: null,
        phone: null,
        priority: null,
        teacherType: null,
        gender: null,
        userId: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {},
      // 任务表格数据
      taskList: [],
      // 弹出层标题
      titleTask: "",
      // 是否显示弹出层
      openTask: false,
      // 表单参数
      taskForm: {},
      // 表单校验
      rulesTask: {},
      // 查询参数
      queryParamsTask: {
        pageNum: 1,
        pageSize: 10,
        id: null,
        studentId: null,
        studentName: null,
        taskTime: null,
        taskStatement: null,
        createTime: null,
        remark: null
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    // 修改任务
    updateItemTask(item) {
      let _this = this;
      console.log(item)
      updateTask(item).then(response => {
        _this.$modal.msgSuccess("修改成功");
        _this.getListTask();
      });
    },
    /** 查询任务列表 */
    getListTask() {
      listTask(this.queryParamsTask).then(response => {
        this.taskList = response.rows;
      });
    },
    /** 任务提交按钮 */
    submitFormTask() {
      this.$refs["taskForm"].validate(valid => {
        if (valid) {
          if (this.taskForm.id != null) {
            updateTask(this.taskForm).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.getListTask();
            });
          } else {
            addTask(this.taskForm).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.getListTask();
            });
          }
        }
      });
    },
    // 任务表单重置
    resetTask() {
      this.taskForm = {
        id: null,
        studentId: null,
        studentName: null,
        taskTime: null,
        taskStatement: null,
        createTime: null,
        remark: null
      };
      this.resetForm("taskForm");
    },
    // 查询任务参数重置
    resetQueryParams() {
      this.queryParamsTask = {
        pageNum: 1,
        pageSize: 10,
        id: null,
        studentId: null,
        studentName: null,
        taskTime: null,
        taskStatement: null,
        createTime: null,
        remark: null
      }
    },
    // 取消任务按钮
    cancelTask() {
      this.openTask = false;
      this.resetTask();
    },
    // 给跟踪记录的时间戳赋颜色
    getColor(item) {
      let _this = this;
      if (item === _this.taskList[0]) {
        return '#0BBD87';
      } else {
        return '#EE1118';
      }
    },
    // 跟踪记录
    handleTrace(row) {
      let _this = this;
      _this.dialogVisible = true;
      _this.traceDialogTitle = '[' + row.studentName + ']的跟踪历史';
      _this.queryParams.studentId = row.studentId;
      listTrace(_this.queryParams).then(response => {
        _this.traceFocusList = response.rows;
      });
    },
    // 编辑任务
    handleTask(row) {
      let _this = this;
      _this.resetQueryParams();
      _this.resetTask();
      _this.openTask = true;
      _this.titleTask = '[' + row.studentName + ']的任务历史';
      _this.queryParamsTask.studentId = row.studentId;
      _this.taskForm.studentId = row.studentId;
      _this.taskForm.studentName = row.studentName;
      _this.taskTeacherName = row.teacherName;
      listTask(this.queryParamsTask).then(response => {
        _this.taskList = response.rows;

      });
    },
    /**
     * 班级下拉框
     * @param newSelectedValue
     */
    classesChange(newSelectedValue) {
      let _this = this;
      let selectedOption = this.classes.find(option => option.value === newSelectedValue);
      _this.form.className = selectedOption ? selectedOption.label : '';
      listStudentByClassId(newSelectedValue).then(response => {
        _this.students = response.rows.map(item => ({ label: item.studentName, value: item.id }));
      });
    },
    /**
     * 学生下拉框
     * @param newSelectedValue
     */
    studentsChange(newSelectedValue) {
      let _this = this;
      let selectedOption = this.students.find(option => option.value === newSelectedValue);
      _this.form.studentName = selectedOption ? selectedOption.label : '';
    },
    /**
     * 老师下拉框
     * @param newSelectedValue
     */
    teachersChange(newSelectedValue) {
      let _this = this;
      let selectedOption = this.teachers.find(option => option.value === newSelectedValue);
      _this.form.teacherName = selectedOption ? selectedOption.label : '';
    },
    /** 查询留级管理列表 */
    getList() {
      this.loading = true;
      let _this = this;
      listClass(this.queryClassesParams).then(response => {
        _this.classes = response.rows.map(item => ({ label: item.className, value: item.id }));
      });
      listRepeatedStudents(this.queryParams).then(response => {
        this.repeatedStudentsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
      listTeacher(this.queryTeacherParams).then(response => {
        this.teachers = response.rows.map(item => ({ label: item.name, value: item.id }))
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        studentId: null,
        studentName: null,
        classId: null,
        className: null,
        teacherId: null,
        teacherName: null,
        difficultyCoefficient: null,
        mockInterview: null,
        finalTest: null,
        createTime: null,
        deleted: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加留级管理";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getRepeatedStudents(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改留级管理";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateRepeatedStudents(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addRepeatedStudents(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除留级管理编号为"' + ids + '"的数据项？').then(function () {
        return delRepeatedStudents(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('teaching/repeatedStudents/export', {
        ...this.queryParams
      }, `repeatedStudents_${new Date().getTime()}.xlsx`)
    }
  }
}
;
</script>
